Mariners acquire All-Star starter Luis Castillo from Reds for four prospects

Mariners excited to see what Luis Castillo can accomplish with full season in Seattle, Mariners

Reds: Regrading the Mariners trade for Luis Castillo

Reds acquire 4 prospects from Mariners for Luis Castillo

Luis Castillo threatens to join list of aces Yankees let slip away

Mariners sign ace Luis Castillo to five-year, $108 million extension

Luis Castillo, Mariners Agree To Multi-Year Deal

Seattle Mariners trade for Luis Castillo

Mariners get All-Star RHP Castillo for prospects Marte and Arroyo, 2 RHP - Seattle Sports

Trade Central: Reds Trade Luis Castillo To Mariners For Prospect Haul — College Baseball, MLB Draft, Prospects - Baseball America

FANTASY FARE: Reaching a crossroads with Reds' struggling starter Luis Castillo

After acquiring Luis Castillo, what will the Mariners do next? - The Athletic

Reds acquire 4 prospects from Mariners for Luis Castillo